At about six weeks you can be pretty sure with varieties that aren't solid colors. Your black one might be a bit tougher since color pattern can't be used to help sex but I would say you can for sure be confident by eight weeks!Sorry to bug you figured I ask a quick question since I already have this thread going to see if you know. How old are Easter eggers before you can tell the sex? I know will the silkies I have I was told it would take awhile then my others I got are just production red hens so I know with them already.